<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        //壳子，一个一个实验
        for (var i = 5; i <= 1000; i++) {
            //一个一个实验，是否满足条件
            if (i % 5 == 0 || i % 6 == 0) 
            console.log(i);
            5
        }
    </script>
</body>

</html>